超高強度レーザーを用いたレーザー核融合中性子計測技術

書誌事項

タイトル別名
  • The Neutron Diagnostics Technique for Laser Fusion Using Ultra Intense Laser
  • チョウコウキョウド レーザー オ モチイタ レーザーカク ユウゴウ チュウセイシ ケイソク ギジュツ

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抄録

The sciences of laser produced neutron sources, including the laser-fusion, the laser photonuclear neutron generation, the neutron generation via p-Li or p-Be reaction by using laser accelerated protons, require neutron diagnostic tools which were specifically designed for a hard X-ray background environment. Especially in the kJ class ultra-intense laser facility such as LFEX, the X-ray energy exceeds tens of MeV. They create a large number of photonuclear neutron from the surrounding constructions such as vacuum chamber. In this paper the development of neutron time of flight(TOF)detector is described. The neutron detector is constructed with a fast response liquid scintillator and a gated-photomultiplier tube, and they are shielded from background neutrons by means of a concrete collimator.

収録刊行物

  • レーザー研究

    レーザー研究 43 (2), 103-, 2015

    一般社団法人 レーザー学会

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